1. Abbreviation form of Waste of Space
2. Abbreviation form of Waste of Semen a term popularized by Greenday
3. Someone (usually someone annoying) who doesn't contribute anything to society and also is hideous in appearance.
4. Some thing on the hard drive that isn't necessary.
5. A site that has no purpose to be.

WOS is pronounced like DOS or loss.

WOS is a noun but is often incorrectly used as an adjective (e.g. what a WOS shirt)
1. Correct: Josh is such a big fat WOS.
2. Correct: MS-DOS is such a WOS.
3. Correct: MSN.com is such a WOS.
1. Incorrect: Linda has a WOS haircut, it makes her look like a guy.
by Ness June 01, 2005
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WOS is the acronym for Walk Of Shame
I got so shmammered last night and went home with that guy and now am doing the "WOS" heels in hand, mascara running down my face and bra in purse...Where am I, what was his name and what was I thinking?
by The Natty Lite June 20, 2011
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log as from IM, blog, or e-mail to e-cheating partner:
...want to MIRL, oops WOS, bye!
by themomma December 26, 2008
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abbreviation for "Waste of Sperm", someone who should not have been born
Chuck is such a WOS, his dad should've shot it in his momma's hair instead of her nasty puss!
by Chris December 05, 2002
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Abreviation for Wall of Sound, british breakbeat label. Check for Propellerheads.
WOS up?
by verbal essences May 05, 2003
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WOS stands for 'Wait One Sec'.
"WOS, Checking my Gmail"
by JTslang November 29, 2015
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